A purified cellulose powder is available as a food ingredient.
精炼的纤维素粉末可作为食品的一种组分。
HPMC is prepared when a purified form of cellulose is reacted with sodium hydroxide solution to produce a swollen alkali cellulose that is chemically more reactive than untreated cellulose.
当被净化的纤维素与氢氧化纳溶液反应产生一种膨胀碱性纤维素时，HPMC就产生了，这种纤维素在化学上比没有经过处理的纤维素更易起反应。
They were further purified with DE-52 cellulose ion exchange chromatography and Dextran Blue-Sepharose 4B affinity chromatography.
该凝集素经乳糖尿素液抽提和离心分离后，再用DE-52纤维素柱和蓝色葡聚糖柱进一步纯化。
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